SSV Works JJK-DS10U 10" Subwoofer Enclosure (Without Speakers) - 2007-2017 Jeep Wrangler JK, 4-Door Unloaded - SSV Works custom molded subwoofer enclosure is designed for a 10" subwoofer and easily installs behind the rear-passanger seat, on the drivers side. Absolutley no cutting or modifications required. The box simply bolts in and provides the proper airspace for a 10" subwoofer.